Finding the Fourth Proportional to 25,692,159.42, 38,538,306.09 and 8,664,793.02
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Solution
The fourth proportional to 25,692,159.42, 38,538,306.09 and 8,664,793.02 is: 12,997,212.11
Step by Step Solution
- Step 1: Write the proportion equation
25,692,159.42 : 38,538,306.09 = 8,664,793.02 : x - Step 2: Convert to fraction form
25,692,159.42/38,538,306.09 = 8,664,793.02/x - Step 3: Cross multiply
25,692,159.42x = 38,538,306.09 × 8,664,793.02 - Step 4: Simplify right side
25,692,159.42x = 333,926,445,611,255.50 - Step 5: Solve for x
x = 333,926,445,611,255.50/25,692,159.42 - Step 6: Final answer
x = 12,997,212.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.